Car Problem Reports

Pontiac Grand Prix Check Engine Light Due to Vacuum Leak in EGR Tube

 
Pontiac Grand Prix Problem
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Model Years Affected: 1998, 2000, 2001, 2002, 2003

Exhaust & Emissions Affected: 3.8L V6

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The exhaust gas recirculation (EGR) tube which connects the EGR valve to the intake manifold may develop an engine vacuum leak, causing the Check Engine Light to illuminate with code P0171 and/or P0174 stored.

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